78503 ZIP Code
Last added ZIP code areas:bristol ct zip code plus 4 one takeda parkway deerfield il cookville tx zip code 3181 sw sam jackson park rd portland or mableton zip virginia city nv zip code zip codes in ogden utah newton massachusetts zip codes zip code for eastport ny bernardsville nj zip leavenworth washington zip code 960 jefferson ave detroit mi issaquah, wa zip woodbury commons zip code 27352 river bluff avenue 11934 zip code lakewood zip codes dallas zip code for delafield wi zip code 30054 zip code for nicholson ga zip code four oaks nc
78503 is a zip code assigned by the US Postal Service Office for a US City.
You can search for the 78503 zip code by its streets and block numbers if we have some of the streets loaded in our website
You should use 78503 Zip Code if you want to send mail to a certain US City.
78503 Zip Code - US ZIP Codes
The US ZIP Code basic format consists of five decimal numerical digits assigned like the 78503 Zip Code. An extended ZIP+4 code, introduced in the 1980s, includes the five digits 78503 ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code.
78503 Zip Code belongs to Mcallen, TX - US. 78503 Zip code is located at Hidalgo County and is related to this cities: Mcallen, Mc Allen
78503 Zip Code Area Code is 956 and 78503 Zip Code Time Zone is Central (GMT -06:00).
In 1983, the U.S. Postal Service introduced an expanded Mcallen ZIP code system that it called ZIP+4, often called "plus-four codes", "add-on codes", or "add ons". A ZIP+4 code uses the basic 78503 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Mcallen city block, a group of apartments, an individual high-volume receiver of mail or any other unit that could use an extra identifier to aid in efficient mail sorting and delivery in Texas.